I considered if it was even worth responding. But this is quite a wild take, to think that just beacuse you “have never observed” any discrimination means that there has been 0 discrimination. Perhaps you should ask people whomst are oppressed to come forward with their knowledge.
And if you really thought this well you must be oblivious to the acts of the discord (which is improving I’ll admit). Or perhaps you haven’t seen Nixos Woke Invasion - NixOS Wiki which was thankfully dropped before moving to wiki.nixos.org. Or maybe you missed this post
(And yes I know you specified the GitHub or Matrix but these places are not far off from those, and how do you know no ones sending private messages after seeing someone on the matrix)